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Finding the Fourth Proportional to 319,438.67, 479,250.43 and 103,292.79

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Solution

The fourth proportional to 319,438.67, 479,250.43 and 103,292.79 is: 154,969.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,438.67 : 479,250.43 = 103,292.79 : x
  2. Step 2: Convert to fraction form
    319,438.67/479,250.43 = 103,292.79/x
  3. Step 3: Cross multiply
    319,438.67x = 479,250.43 × 103,292.79
  4. Step 4: Simplify right side
    319,438.67x = 49,503,112,694.26
  5. Step 5: Solve for x
    x = 49,503,112,694.26/319,438.67
  6. Step 6: Final answer
    x = 154,969.07

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